Distribution of ureteral stones and factors affecting their location and expulsion in patients with renal colic
Korean Journal of Urology
; : 717-721, 2015.
Article
в En
| WPRIM
| ID: wpr-128352
Ответственная библиотека:
WPRO
ABSTRACT
PURPOSE:
To evaluate the distribution of ureteral stones and to determine their characteristics and expulsion rate based on their location. MATERIALS ANDMETHODS:
We retrospectively reviewed computed tomography (CT) findings of 246 patients who visited our Emergency Department (ED) for renal colic caused by unilateral ureteral stones between January 2013 and April 2014. Histograms were constructed to plot the distribution of stones based on initial CT findings. Data from 144 of the 246 patients who underwent medical expulsive therapy (MET) for 2 weeks were analyzed to evaluate the factors responsible for the stone distribution and expulsion.RESULTS:
The upper ureter and ureterovesical junction (UVJ) were 2 peak locations at which stones initially lodged. Stones lodged at the upper ureter and ureteropelvic junction (group A) had a larger longitudinal diameter (4.21 mm vs. 3.56 mm, p=0.004) compared to those lodged at the lower ureter and UVJ (group B). The expulsion rate was 75.6% and 94.9% in groups A and B, respectively. There was no significant difference in the time interval from initiation of renal colic to arrival at the ED between groups A and B (p=0.422). Stone diameter was a significant predictor of MET failure (odds ratio [OR], 1.795; p=0.005) but the initial stone location was not (OR, 0.299; p=0.082).CONCLUSIONS:
The upper ureter and UVJ are 2 peak sites at which stones lodge. For stone size 10 mm or less, initial stone lodge site is not a significant predictor of MET failure in patients who have no previous history of active stone treatment in the ureter.Key words
Полный текст:
1
База данных:
WPRIM
Основная тема:
Sulfonamides
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Ureter
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Ureteral Calculi
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Tomography, X-Ray Computed
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Retrospective Studies
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Treatment Failure
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Renal Colic
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Urological Agents
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Kidney Pelvis
Тип исследования:
Observational_studies
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Prognostic_studies
Пределы темы:
Adult
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Female
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Humans
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Male
Язык:
En
Журнал:
Korean Journal of Urology
Год:
2015
Тип:
Article